<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body style="text-align:center; margin-left:auto; margin-right:auto;">
    <div style="text-align:center; position:absolute;" >
         <h3>一封html测试邮件</h3>
         <span>http://www.zimug.com</span>
         <div style="text-align:center; padding: 10px">
             <a style="text-decoration: none;" href="https://zimug.com" target="_bank" >
                <strong>我很用心，希望你有所收获</strong>
             </a>
         </div>
    </div>
</body>
</html>